Fixed default registration role display options

- This also allows an admin to choose not to have a default role.
- Also applied latest styleCI fixes.

For #3220

app/Config/snappy.php

@@ -7,9 +7,8 @@
  * Configuration should be altered via the `.env` file or environment variables.
  * Do not edit this file unless you're happy to maintain any changes yourself.
  */
-
 $snappyPaperSizeMap = [
-    'a4' => 'A4',
+    'a4'     => 'A4',
     'letter' => 'Letter',
 ];
 
@@ -19,7 +18,7 @@ return [
         'binary'  => file_exists(base_path('wkhtmltopdf')) ? base_path('wkhtmltopdf') : env('WKHTMLTOPDF', false),
         'timeout' => false,
         'options' => [
-            'outline' => true,
+            'outline'   => true,
             'page-size' => $snappyPaperSizeMap[env('EXPORT_PAGE_SIZE', 'a4')] ?? 'A4',
         ],
         'env'     => [],